US20050161958A1 - Seals - Google Patents
Seals Download PDFInfo
- Publication number
- US20050161958A1 US20050161958A1 US11/017,218 US1721804A US2005161958A1 US 20050161958 A1 US20050161958 A1 US 20050161958A1 US 1721804 A US1721804 A US 1721804A US 2005161958 A1 US2005161958 A1 US 2005161958A1
- Authority
- US
- United States
- Prior art keywords
- seal
- opening
- neck portion
- chamber
- envelope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D27/00—Envelopes or like essentially-rectangular containers for postal or other purposes having no structural provision for thickness of contents
- B65D27/12—Closures
- B65D27/30—Closures with special means for indicating unauthorised opening
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
- A44B19/26—Sliders
- A44B19/30—Sliders with means for locking in position
- A44B19/301—Sliders with means for locking in position at the end of their upward travel with any suitable device, e.g. pull member combined with a press-button, a hook, a key-operated lock
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
- B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
- B65D33/2516—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/48—Seals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/48—Seals
- Y10T292/4945—Rigid shackle ends
- Y10T292/495—Resilient and rigid engaging means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/48—Seals
- Y10T292/50—Single piece, spring catch
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/48—Seals
- Y10T292/502—Shiftable catch shackle operated
Abstract
The application describes breakable seal for a container, bag, pouch or reusable envelope which is closed by one part locating over a second part, the second part having an opening for receiving the head of the breakable seal which locks into the opening in such a manner that it cannot be removed without breaking, the seal in its inserted position locking the first part in place over the second part in a tamper evident fashion. The seal has an extended neck portion between the line of weakness and the main body part of the seal. Typically said one part is the fastener tab of the zipped opening of a reusable envelope and the second part is the enclosure or chamber of a lock unit mounted on the envelope, adjacent one end of the zipped opening.
Description
- The invention relates to a disposable locking member (a “seal”) for closeable container, for example a bag, pouch or reusable envelope, which has an opening which can be closed. The container has a lock unit at the opening which cooperates with the disposable locking member, to close the container.
- The invention is, for example, concerned with the type of container described in GB-A-1424680. In this reference, an envelope with a zipped opening is described. At one end of the zipped opening is mounted the lock unit, this lock unit having a raised housing or chamber with an opening on one side. The fastener tab of the zip has a central aperture so that it can fit over the chamber and then a disposable sealing element (known for simplicity as a “seal”) is pushed into the chamber to lock the fastener tab in place and thus lock the zipped opening. The seal is a substantially flat element, moulded from a suitable plastics material, which has a head part and a body part. Between these two parts is a weakened or frangible section and it is the head part which locks into the chamber by means of the resilient barbs of an arrowhead configuration. The dimensions of the seal are such that the weakened or frangible section is at the mouth of the chamber. The seal cannot then be removed whole from the chamber and must be broken in order to release the fastener tab of the zip. The lock unit and disposable seal thus provide tamper evidence to the container. Such a tamper evident container (zipped envelope) is shown in
FIG. 6 , labelled “prior art”. - For the avoidance of any doubt, while the invention is concerned with a zipped envelope of the type discussed above, the invention which is set out below is also applicable to other types of containers where one part (lid, flap etc) can cooperate with another part (the main body of the container, for example) which has a lock unit.
- The aim of the invention is to provide a new locking member for a closeable container, such as a zipped pouch or envelope.
- According to the invention, there is provided a breakable and disposable seal for a container, bag, pouch or envelope which is closed by one part locating over a second part, the second part having an opening for receiving part of the breakable seal which locks into the opening in such a manner that it cannot be removed without breaking, the seal in its inserted position locking the first part in place over the second part in a tamper evident fashion, wherein the seal comprises a head part and a body part, the head part in use locating in the opening of the said second part and a line of weakness delimiting the head part from the body part, and wherein the body part has a neck portion which is substantially narrower than a main portion, the neck portion extending between the line of weakness and the main portion, shoulders being defined at the juncture of the neck portion and main portion so that in use a gap exist between the mouth of the opening and the said shoulders when the seal is inserted in the second part.
- Typically, the said one part is the fastener tab of the zipped opening of a reusable envelope and the second part is the enclosure or chamber of a lock unit mounted on the envelope, adjacent one end of the zipped opening.
- Preferably the head part of the seal is formed with a groove for location over a corresponding rib within the second part or chamber. Alternatively, the chamber could include a groove into which a rib on the seal locates.
- The long neck of the seal provides for easy removal of the seal and allows use of the seal in lock units which are damaged, for example damage which creates irregular protrusions at the opening of the lock unit. It has surprisingly been found that such advantages can be achieved without significantly compromising security. The design of the long neck of the seal goes against conventional thinking in this art, which tended to assume that the shoulders of the seal should be as close as possible to the opening of the lock unit thereby eliminating any gap which might facilitate tampering.
- A preferred embodiment of the invention is described in more detail below, with reference to the accompanying figures, wherein:
-
FIG. 1 shows in plan view the lock unit and fastener tab of a zipped reusable envelope for use with a locking member or seal according to one embodiment of the invention, the envelope not being shown; -
FIGS. 2 a and 2 b are top and bottom views of a seal according to one embodiment of the invention to be used with the lock unit ofFIG. 1 ; -
FIG. 3 is a top view showing the zip fastener tab in place on the lock unit; -
FIG. 4 is a plan view similar to that ofFIG. 3 but showing the seal located in the lock unit; -
FIGS. 5 a and 5 b are explanatory sectional views of the seal and part of the lock unit, showing the location of the seal in the chamber of the lock unit; and -
FIG. 6 is a view of a conventional zipped envelope with a lock unit. -
FIG. 1 shows thelock unit 1 andfastener tab 2. The lock unit has aflat base 3 with a raisedwall 4 which defines a seat for thefastener tab 2. The base has a series ofapertures 5 which receive rivets which fix the lock unit on the material of the bag or envelope. Within the wall of thelock unit 1 there is a raised enclosure orchamber 6 which has at one side (the lower side as seen inFIG. 1 ) anopening 7. The base has adepression 8 which communicates with the chamber, to allow the broken part of the seal to be shaken out of the chamber in known fashion. - The
fastener tab 2, in this embodiment, has threeapertures Aperture 9 is for connection with the zip puller, in known fashion;aperture 10 has a shape which corresponds to that of thechamber 6, to allow the fastener tab to locate over the chamber; theaperture 11 locates on a raisedcatch 12 on the base part of the lock unit, again in a known fashion. -
FIGS. 2 a and 2 b shows the disposable andfrangible seal 13 according to this embodiment of the invention. Theseal 13 is substantially flat and has ahead part 14 andbody part 15. The head part has an arrowhead configuration withresilient barbs 16, in a known fashion. Between the body part and head part is a line ofweakness 18 formed by an elongate recess (seen most clearly in the bottom view ofFIG. 2 b) which provides for the breakable connection between the head and body parts. Thebody 15 includes a main part or trunk 15 a which in this embodiment is substantially square (it could be of any other desired shape). Between this main part 15 a and the line ofweakness 18 is a narrowed neck 15 b. At the juncture of the neck 15 b and main part 15 a there areshoulders 19. The neck 15 b extends away from the line of weakness 18 (and thus in use from the chamber mouth 7) for a significant distance, for example 1.5 mm to 4 mm preferably 2 mm to 2.5 mm. The overall dimensions of the seal are typically about 22 mm long by 11 mm wide by 2.5 mm thick. The thickness of the head is typically 2.0 mm. The body could be thinner or thicker. The neck preferably has parallel sides, i.e. it is straight rather than tapered, but it could be tapered and/or curved. - A further preferred feature of the seal is a longitudinal groove 14 a along the
head part 14. The head of the seal also has an indent 14 b at its tip. - To close the bag or envelope the
fastener tab 2 is located on thechamber 6 of thelock unit 1 in a known fashion. This position is shown inFIG. 3 . It can be noted in particular that theaperture 10 of the fastener tab registers with the chamber, while theaperture 11 locates on theraised catch 12 of the base of the locking unit. - To finally lock the envelope in a tamper evident fashion, the
seal 13 shown inFIG. 2 is pushed into thechamber 6, thehead part 14 of the seal locating within the chamber and in particular theresilient barbs 16 locating behind the chamber walls, so that the seal cannot be removed without breaking thebody part 15 from thehead part 14. In this position, thebody 15 of the seal overlaps part of thetab 2. The locked condition of the envelope is shown in FIG. 4, the inner wall of the chamber being shown in dashed lines. The line ofweakness 18 of the seal is at the opening 7 of thechamber 6.FIG. 4 shows the location of the groove 14 a along the head part of the seal over aninner rib 21 on the inside of the chamber (i.e. on the “roof” of the chamber). The indent 14 b locates on alug 22 at the back of the chamber. - The sectional views of
FIGS. 5 a and 5 b shows theseal 13 approaching the chamber 6 (FIG. 5 a) and then the seal located within the chamber (FIG. 5 b). It can be noted that the opening 7 of the chamber is tapered, that is theedge 23 of the wall of the chamber above the opening is inclined with respect to the plane of thebase 3 of the lock unit. This feature allows a close tolerance to be achieved between the thickness of theseal 13 and the top of theopening 7, while at the same time the tapered shape provides no hindrance to the seal being inserted. - To open the envelope, the seal is broken along the line of
weakness 18 and thebody part 15 is removed in a known fashion (this removal providing tamper evidence of unauthorised opening). The neck 15 b of the seal facilitates this breaking and removal. Thehead 14 of the seal is shaken out from the lower part of the chamber which communicates with thedepression 8 in thebase 3 of the lock unit. This depression extends the width of the chamber, beneath the shoulders, so that the width of the depression is greater than the width of theopening 7 which initially receives the head of the seal. - The lock unit may be formed of a suitable material, such as hardened steel, or of plastics such as nylon, polypropylene, ABS, styrene or engineering plastics. The disposable seals, which will generally be supplied in bulk, are formed of a suitable resilient but frangible plastics material, such as styrene, ABS, nylon or polypropylene.
- Although the invention has been described with reference to a zipped envelope it is equally relevant to other types of containers. For example, the container could have a flap with an aperture which registers with a lock unit on the main part of the container, the seal then going into the lock unit to secure the flap in place.
Claims (7)
1. A breakable and disposable seal for a container, bag, pouch or envelope which is closed by one part locating over a second part, the second part having an opening for receiving part of the breakable seal which locks into the opening in such a manner that it cannot be removed without breaking, the seal in its inserted position locking the first part in place over the second part in a tamper evident fashion, wherein the seal comprises a head part and a body part, the head part in use locating in the opening of the said second part and a line of weakness delimiting the head part from the body part, and wherein the body part has a neck portion which is substantially narrower than a main portion, the neck portion extending between the line of weakness and the main portion, shoulders being defined at the juncture of the neck portion and main portion so that in use a gap exist between the mouth of the opening and the said shoulders when the seal is inserted in the second part.
2. A seal according to claim 1 , wherein the head of the seal is formed with a groove or rib for registration with a corresponding rib or groove within the second part.
3. A seal according to claim 1 , wherein the neck portion has substantially parallel sides.
4. A seal according to claim 1 , wherein the length of the neck portion is from 1.5 to 4 mm, preferably 2 to 2.5 mm.
5. A seal according to claim 1 , wherein the neck portion has substantially parallel sides.
6. A seal according to claim 2 , wherein the length of the neck portion is from 1.5 to 4 mm, preferably 2 to 2.5 mm.
7. A seal according to claim 3 , wherein the length of the neck portion is from 1.5 to 4 mm, preferably 2 to 2.5 mm.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0329665.4 | 2003-12-22 | ||
GB0329665A GB0329665D0 (en) | 2003-12-22 | 2003-12-22 | Long-necked seal |
Publications (2)
Publication Number | Publication Date |
---|---|
US20050161958A1 true US20050161958A1 (en) | 2005-07-28 |
US7360807B2 US7360807B2 (en) | 2008-04-22 |
Family
ID=30776255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/017,218 Active US7360807B2 (en) | 2003-12-22 | 2004-12-21 | Seals |
Country Status (5)
Country | Link |
---|---|
US (1) | US7360807B2 (en) |
EP (1) | EP1547932B1 (en) |
DE (1) | DE602004014585D1 (en) |
ES (1) | ES2308119T3 (en) |
GB (1) | GB0329665D0 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7360807B2 (en) | 2003-12-22 | 2008-04-22 | Itw Limited | Seals |
US7370892B2 (en) | 2005-03-08 | 2008-05-13 | Itw Limited | Security seal |
KR20160119300A (en) * | 2015-04-02 | 2016-10-13 | 삼성디스플레이 주식회사 | Gate driver and display device including the same |
US20170057703A1 (en) * | 2015-09-01 | 2017-03-02 | Versapak International Limited | Sealing device |
US20190241331A1 (en) * | 2017-11-15 | 2019-08-08 | Timothy Brooks | Packaging System with Tamper Evidence/Child Resistant Latch |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI244304B (en) * | 2004-09-15 | 2005-11-21 | Benq Corp | Demountable strapping module and handheld electronic device utilizing the same |
US7913870B2 (en) | 2005-05-10 | 2011-03-29 | Pactiv Corporation | Tamper evident container |
CA2666178C (en) * | 2006-09-01 | 2013-05-28 | Harcor Security Seals Pty Limited | Tamper evident device |
US10220986B2 (en) * | 2009-03-06 | 2019-03-05 | Pactiv Corporation | Tamper evident container with full tab |
US8622213B2 (en) * | 2009-05-22 | 2014-01-07 | Fenwal, Inc. | Containers and components thereof for use in the medical industry and methods to manufacture the same |
GB201020608D0 (en) | 2010-12-06 | 2011-01-19 | Versapak Int Ltd | Seal |
CN104590786B (en) * | 2015-01-22 | 2017-02-01 | 中国人民解放军总装备部军械技术研究所 | Combined type moisture-proof sealing sleeve |
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US88959A (en) * | 1869-04-13 | Ments | ||
US140486A (en) * | 1873-07-01 | Improvement in seal-locks | ||
US147219A (en) * | 1874-02-03 | Improvement in seal-locks | ||
US306524A (en) * | 1884-10-14 | David b | ||
US341585A (en) * | 1886-05-11 | Extension-table | ||
US380446A (en) * | 1888-04-03 | Seal-lock | ||
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BR9501030A (en) * | 1995-03-10 | 1997-05-06 | Elc Prod Seguranca Ind | Suitable security seal to seal a label holder for closing and sealing pouches and the like |
JP4106142B2 (en) | 1998-12-16 | 2008-06-25 | 株式会社パイオラックス | Sealing tool |
GB2362430B (en) | 2000-02-08 | 2002-12-04 | Transvaal Rubber Company | Slide fastener security tag |
AU763759B2 (en) | 2000-05-12 | 2003-07-31 | Itw New Zealand Limited | Security device |
GB0018064D0 (en) | 2000-07-25 | 2000-09-13 | Bloxwich Transport Prod Ltd | Keyless padlock seal |
AU2003246992A1 (en) | 2002-08-16 | 2004-03-03 | Michael Stuart Anderson | Padlock |
GB0329665D0 (en) | 2003-12-22 | 2004-01-28 | Itw Ltd | Long-necked seal |
-
2003
- 2003-12-22 GB GB0329665A patent/GB0329665D0/en not_active Ceased
-
2004
- 2004-10-22 ES ES04256529T patent/ES2308119T3/en active Active
- 2004-10-22 DE DE200460014585 patent/DE602004014585D1/en active Active
- 2004-10-22 EP EP20040256529 patent/EP1547932B1/en active Active
- 2004-12-21 US US11/017,218 patent/US7360807B2/en active Active
Patent Citations (50)
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---|---|---|---|---|
US88959A (en) * | 1869-04-13 | Ments | ||
US140486A (en) * | 1873-07-01 | Improvement in seal-locks | ||
US147219A (en) * | 1874-02-03 | Improvement in seal-locks | ||
US306524A (en) * | 1884-10-14 | David b | ||
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7360807B2 (en) | 2003-12-22 | 2008-04-22 | Itw Limited | Seals |
US7370892B2 (en) | 2005-03-08 | 2008-05-13 | Itw Limited | Security seal |
KR20160119300A (en) * | 2015-04-02 | 2016-10-13 | 삼성디스플레이 주식회사 | Gate driver and display device including the same |
KR102343799B1 (en) | 2015-04-02 | 2021-12-28 | 삼성디스플레이 주식회사 | Gate driver and display device including the same |
US20170057703A1 (en) * | 2015-09-01 | 2017-03-02 | Versapak International Limited | Sealing device |
US10737844B2 (en) * | 2015-09-01 | 2020-08-11 | Versapak International Limited | Sealing device |
US20190241331A1 (en) * | 2017-11-15 | 2019-08-08 | Timothy Brooks | Packaging System with Tamper Evidence/Child Resistant Latch |
Also Published As
Publication number | Publication date |
---|---|
EP1547932A1 (en) | 2005-06-29 |
US7360807B2 (en) | 2008-04-22 |
GB0329665D0 (en) | 2004-01-28 |
ES2308119T3 (en) | 2008-12-01 |
DE602004014585D1 (en) | 2008-08-07 |
EP1547932B1 (en) | 2008-06-25 |
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